Operational Test of the Passenger Call Lamps through the MCDU

TASK 23-73-00-710-033-A
Operational Test of the Passenger Call Lamps through the MCDU

1. Reason for the Job
Self explanatory
2. Job Set-up Information
A. Referenced Information

REFERENCE	DESIGNATION
TASK 23-73-00-861-001-A	Energize the Cabin Intercommunication Data System (CIDS)
TASK 24-41-00-861-002-A	Energize the Aircraft Electrical Circuits from the External Power
TASK 24-41-00-861-002-A-01	Energize the Aircraft Electrical Circuits from the APU
TASK 24-41-00-861-002-A-02	Energize the Aircraft Electrical Circuits from Engine 1(2)
TASK 24-41-00-862-002-A	De-energize the Aircraft Electrical Circuits Supplied from the External Power
TASK 24-41-00-862-002-A-01	De-energize the Aircraft Electrical Circuits Supplied from the APU
TASK 24-41-00-862-002-A-02	De-energize the Aircraft Electrical Circuits Supplied from the Engine 1(2)
TASK 31-32-00-860-003-A	Procedure to Get Access to the SYSTEM REPORT/TEST/COM Page
TASK 31-60-00-860-001-A	EIS Start Procedure
TASK 31-60-00-860-002-A	EIS Stop Procedure

3. Job Set-up
Subtask 23-73-00-860-150-A ** ON A/C NOT FOR ALL

A. Aircraft Maintenance Configuration
(1) Energize the aircraft electrical circuits
(Ref. AMM TASK 24-41-00-861-002).
(2) Make sure that the Cabin Intercommunication Data System (CIDS) is energized
(Ref. AMM TASK 23-73-00-861-001).
(3) Do the EIS start procedure (upper ECAM DU and lower ECAM DU only)
(Ref. AMM TASK 31-60-00-860-001).
(4) Energize the Centralized Fault Display System (CFDS)
(Ref. AMM TASK 31-32-00-860-003).
(5) Make sure that a minimum of one cabin door is open.

Subtask 23-73-00-865-169-A ** ON A/C NOT FOR ALL

B. Make sure that this(these) circuit breaker(s) is(are) closed:

PANEL	DESIGNATION	FIN	LOCATION
** ON A/C NOT FOR ALL
49VU	ENGINE/2/FADEC A/AND EIU 2	2KS2	A05
49VU	ENGINE/1/FADEC A/AND EIU 1	2KS1	A04
49VU	L/G/LGCIU/SYS1/NORM	1GA	C09
49VU	AIR COND/SDCU/CHAN1	11WQ	C06
49VU	AIR COND/CAB/PRESS/CTL1	1HL	D09
121VU	ENGINE/ENG2/FADEC B	4KS2	Q40
121VU	HYDRAULIC/LGCIU/SYS2	2GA	Q35
121VU	ENGINE/ENG1/FADEC B/AND EIU 1	4KS1	R41
122VU	AIR COND/SDCU/CHAN2	12WQ	T18
122VU	AIR COND/CAB PRESS/CTL/2	2HL	Y22

4. Procedure
Subtask 23-73-00-710-296-A ** ON A/C NOT FOR ALL

A. Do this test

ACTION	RESULT
1.On the CFDS-MCDU:	On the CFDS-MCDU:
push the MCDU MENU pushbutton.	the MCDU MENU page shows.
push the CFDS related line select key.	the CFDS page shows.
push the SYSTEM REPORT/TEST line select key.	the SYSTEM REPORT/TEST page shows.
push the COM related line select key.	the SYSTEM REPORT/TEST COM page shows.
push the CIDS1 related line select key.	the CIDS1 (ACT) page shows.
push the TEST related line select key.	the CIDS1 (ACT) TEST page shows.
push and release the NEXT PAGE pushbutton until the PAX CALL LAMPS test is indicated.
push the PAX CALL LAMPS related line select key.	the CIDS1 (ACT) PAX CALL LAMPS TEST page with the message TEST IN PROGRESS shows.
	after some seconds the message TEST IN PROGRESS changes to TEST OK. NOTE: An incorrect FAULT message will be recorded for each LED (without bulbs) PAX CALL LAMP, if the test of the related lamps is not deactivated in the CAM.
push the MCDU MENU pushbutton.	the MCDU MENU page shows.

5. Close-up
Subtask 23-73-00-860-151-A ** ON A/C NOT FOR ALL

A. Put the aircraft back to its initial configuration.
(1) Do the EIS stop procedure
(Ref. AMM TASK 31-60-00-860-002)
(2) De-energize the aircraft electrical circuits
(Ref. AMM TASK 24-41-00-862-002)

[Rev.10 from 2021] 2026.04.05 10:34:39 UTC